In the "Mirror City" where technology and desire are intertwined, memory has become a commodity that can be bought and sold.
In order to repay the family's huge debt, young Chen Mo was forced to become a "memory appraiser", sneaking into the minds of strangers every day, evaluating their most precious emotions and experiences, and then clearly marking them with prices.
He has seen young men who betrayed their first love in exchange for money, and he has also seen rich men who stripped away their sorrows to escape pain. In this bizarre transaction, he thought he was just an indifferent bystander, until he glimpsed a secret that shouldn't exist and a huge conspiracy that could subvert the world order.
When human nature is quantified, and when forgetting requires a price, he must make a choice: continue to be a silent cog, or ignite a fire that can burn down the entire empire of lies?
This is a story about redemption and struggle, and finding the remaining warmth of humanity in the cold city.
